3-Wire Input Function - Omron 3G3JX User Manual

3-wire Input Function

This function is effective in using auto recovery contacts such as a press button switch for operation
and stop.
Data Symbol
20 STA
21 STP
22 F/R
Related functions
Required settings
•Set RUN command selection A002 to 01 (control terminal).
•The following operations become possible with 20 (STA), 21 (STP), and 22 (F/R) allocated to the
multi-function inputs. With the STA and STP terminals allocated, the FW and RV terminals are
disabled.
(1) When using STA, STP, and F/R
ON
STA
STP
F/R
Forward
Output
frequency
Function name Status
3-wire start
OFF
3-wire stop
OFF
3-wire forward/reverse
OFF
OFF
ON OFF
Reverse
Description
ON Starts with auto recovery contacts.
Irrelevant to the motor operation.
ON Stops with auto recovery contacts.
Irrelevant to the motor operation.
ON Reverse
Forward
C001 to C005
A002 = 01
(2) When using STA and STP
ON
OFF
STA
STP
ON
Forward
Output
frequency
4-2 Function Mode
OFF
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